<template>
	<transition name='slide'>
		<div class="add-song" v-show="showflag" @click.stop>
			<div class="header">
				<h1 class="title">添加歌曲到列表</h1>
				<div class="close" @click="hide">
					<i class="icon-close"></i>
				</div>
			</div>
			<div class="search-box-wrapper">
				<search-box placeholder="搜索歌曲" @query="search"></search-box>
			</div>
			<div class="shortcut" v-show="!query">
				<switches 
				         :switches="switches" 
				         :currentIndex="currentIndex"
				         @switch="switchesItem"
				></switches>
				<div class="list-wrapper">
					<scroll v-if="currentIndex===0"
					        :data="playHistory"
					        class="list-scroll"
					        ref="songList"

					>
						<div class="list-inner">
							<song-list :songs="playHistory" @select="selectSong"></song-list>
						</div>
					</scroll>
					<scroll class="list-scroll"
					        v-if="currentIndex===1"
					        :data="searchHistory"
					        ref="searchList"
					        :refreshDelay="refreshDelay"
					>
						<div class="list-inner">
							<search-list 
							           @delete="deleteSearchHistory"
							           @select="addQuery"
							           :searches="searchHistory"
							></search-list>
						</div>
					</scroll>
				</div>
			</div>
			<div class="search-result" v-show="query">
				<suggest :query="query"
				         :showSinger="showSinger"
				         @select="selectSuggest"
				         @listScroll="blurInput"
				></suggest>
			</div>
			<top-tip  ref="topTip">
				<div class="tip-title">
					<i class="icon"></i>
					<span class="text">一首歌曲已经添加到播放队列</span>
				</div>
			</top-tip>
		</div>
	</transition>
</template>

<script>
	import SearchBox from 'base/search-box/search-box'
	import Suggest from 'components/suggest/suggest'
	import {searchMixin} from'common/js/mixin'
	import Switches from 'base/switches/switches'
	import Scroll from 'base/scroll/scroll'
	import {mapGetters,mapActions} from 'vuex'
	import SongList from'base/song-list/song-list'
	import Song from 'common/js/song'
	import SearchList from 'base/search-list/search-list'
	import TopTip from 'base/top-tip/top-tip'

	export default {
		mixins: [searchMixin],
		data() {
			return {
				showflag:false,
				query: '',
				showSinger: false,
				currentIndex: 0,
				switches: [
					{name:'最近播放'},
					{name:'搜索历史'}
				]
			}
		},
		computed: {
			...mapGetters([
				'playHistory'
			])
		},
		methods: {
			show() {
				this.showflag=true
				setTimeout(() => {
					if(this.currentIndex === 0){
						this.$refs.songList.refresh()
					} 
					else{
						this.$refs.searchList.refresh()
					}
				})
			},
			hide() {
				this.showflag = false
			},
			search(query) {
				this.query = query
			},
			selectSuggest() {
				this.saveSearch()
				this.showTip()
			},
			switchesItem(index) {
				this.currentIndex = index
			},
			selectSong(song,index) {
				if(index !== 0) {
					this.insertSong(new Song(song))
					this.showTip()
				}
			},
			showTip(){
				this.$refs.topTip.show()
			},
			...mapActions([
				'insertSong'
			])
		},
		components: {
			SearchBox,
			Suggest,
			Switches,
			Scroll,
			SongList,
			SearchList,
			TopTip
		}
	}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "~common/stylus/variable"
  @import "~common/stylus/mixin"

  .add-song
    position: fixed
    top: 0
    bottom: 0
    width: 100%
    z-index: 200
    background: $color-background
    &.slide-enter-active, &.slide-leave-active
      transition: all 0.3s
    &.slide-enter, &.slide-leave-to
      transform: translate3d(100%, 0, 0)
    .header
      position: relative
      height: 44px
      text-align: center
      .title
        line-height: 44px
        font-size: $font-size-large
        color: $color-text
      .close
        position: absolute
        top: 0
        right: 8px
        .icon-close
          display: block
          padding: 12px
          font-size: 20px
          color: $color-theme

    .search-box-wrapper
      margin: 20px
    .shortcut
      .list-wrapper
        position: absolute
        top: 165px
        bottom: 0
        width: 100%
        .list-scroll
          height: 100%
          overflow: hidden
          .list-inner
            padding: 20px 50px
    .search-result
      position: fixed
      top: 124px
      bottom: 0
      width: 100%
    .tip-title
      text-align: center
      padding: 18px 0
      font-size: 0
      .icon-ok
        font-size: $font-size-medium
        color: $color-theme
        margin-right: 4px
      .text
        font-size: $font-size-medium
        color: $color-text
</style>